1. Find the units digit of the cube of each of the following numbers:
(1) 21 (11) 32 (11) 43 (iv) 56 (v) 68
Answers
Answered by
3
Answer:
21^3 will have units digit 1^3 so 1
like that 32^3 -2^3=8
43^3-3^3=27 units digit -7
56^3-6^3=216 units digit -6
68^3-8^3=512 units digit - 2
please mark as brainliest
Answered by
4
Step-by-step explanation:
- 21 = 1³ = 1 =, so the unit digit is 1
- 32 = 2³ = 8 =, unit digit 8
- 43 = 3³ = 27 = , unit digit is 7
- 56 = 6³= 216 =, unit digit is 6
- 68 = 8³ = 512 = , unit digit is 2
Similar questions